I have three tables with detail structure and data like this : Table TBL_REFERRAL ID CREATED_DATE USER_NAME REFERRAL_CODE ——————————————————— 1 …
Tag: sql
Alias for a mysql case statement
I would like to set an alias for the case statement in the following query. The query works fine but the last column header shows as the case statement in full. You can have a look at what I mean at dbfiddle. I am trying to get the difference between the current salary at a row and the next salary
Excluding rows in a SQL query based on values in another row while preserving multiple outputs of a single part ID
I have machine output data in the form: and I need to generate a new table by removing some rows: The machine sometimes collects multiple VALUEs for each run, but I only need the last one (it’s cumulative). However, I may have multiple runs of the same ID per shift, and it’s not impossible to have…
Unable to locate appropriate constructor on class [ClassName]
I want to send a sql query by using Spring JPA like : However, when I remove some fields like “ms.width”, I get the error: I understand that return Object[] cannot be parsed to DTO object. If I write constructor without the parameter – “Width”, it will work properly. However, I w…
Mysql group by included the whitespace as same value
I have this table and this value I need to group by the data and count how many data that have same value, so i used group by and count the result not what i expect because the data for ID 1,2,5, and 3 is counted as same value like below result how could i make the result like expected
Display data of a column as a row in Oracle
First of all, I would like to thank you so much for your time in advance. I have a table as shown below: I would like to display the data from the above table as shown below: If no data is present within the COL_DESC for a row then the data from the COL_NAME column needs to be displayed. I
SQL – Update table column values using expression based on two tables
Using a Sqlite database, I have a users table and a ranks table with the following columns: users table: id | rankid | xp ranks table id | name | xpLowerLevel My goal is update the rankId field for all user rows based on the xpLowerLevel field from the ranks table. My Sql expression as follows: Which gives me…
(N + 1) selects problem with child Map-collection
friends! I have these entities: Document: and ChangeNotice: And these are my repositories: For Document: and for ChangeNotice: So, when i want to get Document with changeNotices, thats not a problem, i have only one select. But when i want to get ChangeNotice with documents – i have (n + 1), first for d…
inserting to database from query in python
I have a table of tweet data my_tweets containing these columns: tweet_id, text, created_at, sentiment My tweet data is being streamed live and simultaneously inserted into the table. I am writing code using Vader to get the sentiment of the text. At the moment, tweet_id, text, and created_at are all populate…
How to select one random id from the child table?
I am using 10.4.13-MariaDB. I have a parent table and a child table. Parent table (tasks) In interface it looks like And I have a child table (puzzles) – puzzles table – puzzles can belong only to child themes I want to get ONE random PUZZLE from EACH LEVEL. How to write a proper query? Expected r…